/*
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package za.ac.cput.calculator.calcu.Impl;

import za.ac.cput.calculator.calcu.Calculator;

/**
 *
 * @author Avis
 */
public class CalculatorImpl implements Calculator 
{

    @Override
    public String welcomingMessage()
    {
       return "Welcome to Casio";
    }
    
    @Override
    public int addition(int a, int b)
    {
        return a + b;
    }

    @Override
    public int minus(int a, int b)
    {
        return a - b;
    }
    
}
